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| Section | Weight | Objectives |
|---|---|---|
| Logic and Process Automation | 46% | - Governor limits - Apex variables, constants, and expressions - SOQL, SOSL, and DML - Apex triggers - Apex primitive and complex data types - Exception handling - Apex control flow statements - Formula fields capabilities and use cases - Apex classes and interfaces - Declarative process automation features - Roll-up summary fields capabilities and use cases |
| User Interface | 10% | - Lightning components - Visualforce pages - Visualforce controllers |
| Salesforce Fundamentals | 10% | - MVC pattern mapping - AppExchange application extension - Declarative customization use cases - Core CRM objects capabilities - Multi-tenant environment considerations |
| Testing | 12% | - Test data creation - Test coverage requirements - Apex test classes - Execute anonymous vs. unit tests |
| Data Modeling and Management | 12% | - Custom objects and fields - Relationship types - Data import and export - Schema Builder |
| Debug and Deployment Tools | 10% | - Debug logs monitoring - Developer Console, Workbench, and Force.com IDE - Metadata and business data deployment - Development and deployment environments |
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NEW QUESTION # 171
Which two settings must be defined in order to update a record of a junction object? Choose 2 answers
Answer: A,D
Explanation:
In order to update a record of a junction object, you must have Read/Write access on the primary relationship and Read/Write access on the junction object. A junction object is a custom object that is used to create a many-to-many relationship between two other objects via two master-detail relationships. The primary relationship is the first master-detail relationship that is created on the junction object, and the secondary relationship is the second master-detail relationship that is created on the junction object. To update a record of a junction object, you need to have Read/Write access on both the junction object and the primary relationship, because:
* Read/Write access on the junction object allows you to modify the fields and values of the junction object record, such as the name, description, or custom fields.
* Read/Write access on the primary relationship allows you to change the parent record of the junction object record, which is also known as reparenting. Reparenting is the process of moving a child record from one parent record to another in a master-detail relationship. Reparenting is not allowed by default in master-detail relationships, but it can be enabled by selecting the Allow reparenting option on the relationship field.
Read access on the primary relationship and Read/Write access on the secondary relationship are not sufficient to update a record of a junction object, because:
* Read access on the primary relationship does not allow you to change the parent record of the junction object record, which may be necessary for some updates. For example, if you want to move an OrderItem record from one Order record to another, you need to have Read/Write access on the primary relationship between OrderItem and Order.
* Read/Write access on the secondary relationship does not affect the update of the junction object record, because the secondary relationship is not involved in the update operation. The secondary relationship is only used to associate the junction object record with another parent record, but it does not allow you to modify the junction object record itself.
References: Junction Object, Reparent Records in Master-Detail Relationships, Prepare for Your Salesforce Platform Developer I Credential
NEW QUESTION # 172
A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console: Account myAccount = new Account(Name = 'MyAccount');Insert myAccount;For (Integer x = 0; x < 250; x++)
{Account newAccount = new Account (Name='MyAccount' + x);try {Insert newAccount;}catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name='myAccount'); How many accounts are in the org after this code is run?
Answer: B
NEW QUESTION # 173
A developer is tasked with building a custom Lightning web component to collect Contact information.
The form will be shared among many different types of users in the org. There are security requirements that only certain fields should be edited and viewed by certain groups of users.
What should the developer use in their Lightning Web Component to support the security requirements?
Answer: C
Explanation:
The developer should use the lightning-input-field component to support the security requirements. This component respects the field-level security and sharing settings of the Salesforce org, and displays the appropriate data to different types of users. The other components do not have this feature, and may expose sensitive data to unauthorized users. References: Lightning Web Components Developer Guide), Secure Coding Guide)
NEW QUESTION # 174
How does the Lightning Component framework help developers implement solutions faster?
Answer: D
Explanation:
* By providing device-awareness for mobile and desktops. This is true because the Lightning Component framework is a UI framework for developing Lightning components for mobile and desktop devices.
Lightning web components and Aura components can coexist and interoperate on a page. The framework takes care of rendering the components appropriately for different devices and screen sizes1.
* By providing an Agile process with default steps. This is false because the Lightning Component framework does not provide any specific process or methodology for developing solutions. Developers can use any process that suits their needs, such as Agile, Waterfall, or Scrum2.
* By providing code review standards and processes. This is false because the Lightning Component framework does not provide any code review standards or processes. Developers are responsible for ensuring the quality and maintainability of their code, and they can use tools such as code analysis, testing, and debugging to help them3.
* By providing change history and version control. This is false because the Lightning Component framework does not provide any change history or version control features. Developers can use tools such as Git, SVN, or Salesforce DX to manage their source code and track changes.
References:
* 1: Introducing Aura Components
* 2: Agile Development with Salesforce
* 3: Code Quality and Code Analysis
* : Source Control and Salesforce Development
NEW QUESTION # 175
Refer to the component code requirements below:
<lightning:layout multipleRows="true">
<lightning:layoutItem size="12">{!v.account.Name}</lightning:layoutItem>
<lightning:layoutItem size="12">{!v.account.AccountNumber}</lightning:layoutItem>
<lightning:layoutItem size="12">{!v.account.Industry}</lightning:layoutItem>
</lightning:layout>
Requirements:
* For mobile devices, the information should display in three rows.
* For desktops and tablets, the information should display in a single row.
Requirement 2 is not displaying as desired.
Which option has the correct component code to meet the requirements for desktops and tablets?
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
To determine the correct component code to meet the requirements for desktops and tablets, we need to analyze the behavior of the <lightning:layout> and <lightning:layoutItem> components in Salesforce Lightning, focusing on their responsive design attributes. Let's break11:51 PM BST on Friday, May 30, 2025, break down the problem and evaluate each option systematically, referencing Salesforce's official documentation.
Understanding the Requirements and Components:
* Components: The code uses <lightning:layout> and <lightning:layoutItem>, which are part of the Salesforce Lightning Design System (SLDS) grid system for building responsive layouts in Aura components.
* Requirements Breakdown:
* Mobile Devices: The information (Name, AccountNumber, Industry) should display in three rows.
* Desktops and Tablets: The information should display in a single row.
* Current Issue: The provided code has multipleRows="true", which forces each <lightning:layoutItem> to start on a new row, regardless of device size. This satisfies the mobile requirement (three rows), but fails the desktop/tablet requirement (single row).
* Responsive Grid: The SLDS grid system uses a 12-column layout. The <lightning:layoutItem> component supports attributes like size (for small devices, e.g., mobile), mediumDeviceSize (for tablets), and largeDeviceSize (for desktops) to control column widths across device sizes. The Lightning Design System documentation states: "The grid system allows you to specify the width of a layoutItem for different device sizes using size, mediumDeviceSize, and largeDeviceSize attributes" (Salesforce Lightning Design System, Grid System).
Key Attributes and Device Breakpoints:
* Device Sizes:
* size: Applies to small devices (mobile, < 768px).
* mediumDeviceSize: Applies to medium devices (tablets, # 768px).
* largeDeviceSize: Applies to large devices (desktops, # 1024px).
* Grid Behavior:
* Each <lightning:layoutItem> occupies a number of columns based on the specified size attribute.
* If the total columns in a row exceed 12, the next <lightning:layoutItem> wraps to a new row, unless multipleRows="true" forces each item to a new row.
* If multipleRows="true", each <lightning:layoutItem> starts on a new row, ignoring column sizes.
* Requirement Analysis:
* Mobile (size): Each <lightning:layoutItem> should use the full row (size="12") to create three rows (one per field).
* Tablets (mediumDeviceSize): Should ideally be in one row, but the requirement specifies desktops and tablets together, so we'll interpret this as both needing a single row.
* Desktops (largeDeviceSize): All three fields should fit in one row, meaning the total columns must be # 12.
Fixing the Issue:
* Remove multipleRows="true": Setting multipleRows="true" forces each <lightning:layoutItem> to a new row, which prevents the desktop/tablet requirement (single row) from being met. The Lightning Component Reference states: "When multipleRows is true, each layoutItem starts a new row" (Salesforce Lightning Component Reference, lightning:layout). To allow items to stay in the same row on larger devices, multipleRows should be omitted or set to false (default).
* Set Column Sizes:
* For mobile (size="12"), each item takes the full row (12 columns), resulting in three rows.
* For tablets and desktops, we need all three fields in one row. Since there are three fields, each should take 4 columns (12 total columns ÷ 3 fields = 4 columns per field) to fit in one row.
* Both mediumDeviceSize (tablets) and largeDeviceSize (desktops) should be set to 4 to ensure a single row on both device types.
Evaluating the Options:
* A.
<lightning:layout multipleRows="true">
<lightning:layoutItem size="12" mediumDeviceSize="4">{!v.account.Name}</lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="4">{!v.account.AccountNumber}</lightning:
layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="4">{!v.account.Industry}</lightning:layoutItem>
</lightning:layout>
* Mobile: size="12" # Each item takes 12 columns, creating three rows (meets requirement).
* Tablets: mediumDeviceSize="4" # Each item takes 4 columns, but multipleRows="true" forces each item to a new row, resulting in three rows (fails desktop/tablet requirement).
* Desktops: No largeDeviceSize specified, so it inherits mediumDeviceSize="4", but multipleRows="true" still forces three rows (fails).
* Conclusion: Incorrect, as multipleRows="true" prevents a single row on tablets and desktops.
* B.
<lightning:layout multipleRows="true">
<lightning:layoutItem size="12" mediumDeviceSize="4">{!v.account.Name}</lightning:layoutItem>
<lightning:layoutItem size="12" largeDeviceSize="4">{!v.account.AccountNumber}</lightning:layoutItem>
<lightning:layoutItem size="12" largeDeviceSize="4">{!v.account.Industry}</lightning:layoutItem>
</lightning:layout>
* Mobile: size="12" # Three rows (meets requirement).
* Tablets: First item has mediumDeviceSize="4", but the other two have no mediumDeviceSize, so they inherit size="12". With multipleRows="true", it's still three rows (fails).
* Desktops: largeDeviceSize="4" for the last two items, but the first item has no largeDeviceSize, so it uses mediumDeviceSize="4". However, multipleRows="true" forces three rows (fails).
* Conclusion: Incorrect, as multipleRows="true" prevents a single row, and the first item lacks largeDeviceSize.
* C.
<lightning:layout multipleRows="true">
<lightning:layoutItem size="12" mediumDeviceSize="6">{!v.account.Name}</lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6">{!v.account.AccountNumber}</lightning:
layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6">{!v.account.Industry}</lightning:layoutItem>
</lightning:layout>
* Mobile: size="12" # Three rows (meets requirement).
* Tablets: mediumDeviceSize="6" # Total columns = 6 + 6 + 6 = 18. Without multipleRows=" true", this would wrap into two rows (6 + 6, then 6), but with multipleRows="true", it forces three rows (fails).
* Desktops: No largeDeviceSize, so it uses mediumDeviceSize="6", still three rows due to multipleRows="true" (fails).
* Conclusion: Incorrect, as multipleRows="true" prevents a single row, and even without it, the total columns (18) exceed 12, creating multiple rows.
* D.
<lightning:layout multipleRows="true">
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.Name}<
/lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.AccountNumber}
</lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.Industry}<
/lightning:layoutItem>
</lightning:layout>
* Mobile: size="12" # Three rows (meets requirement).
* Tablets: mediumDeviceSize="6" # Total columns = 6 + 6 + 6 = 18. With multipleRows="true", this forces three rows (fails tablet requirement).
* Desktops: largeDeviceSize="4" # Total columns = 4 + 4 + 4 = 12, which fits in one row.
However, multipleRows="true" forces three rows (fails desktop requirement).
* Conclusion: Appears incorrect due to multipleRows="true", but let's reconsider the interpretation of the requirement.
Reinterpreting the Requirement:
* The question states: "Requirement 2 is not displaying as desired," and Requirement 2 is "For desktops and tablets, the information should display in a single row." However, the options all include multipleRows="true", which inherently conflicts with the desktop/tablet requirement.
* Assumption: The inclusion of multipleRows="true" in all options might be a mistake in the question, as it directly contradicts the requirement for desktops and tablets. Let's evaluate option D without multipleRows="true" (assuming it's a typo in the question):
<lightning:layout>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.Name}<
/lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.AccountNumber}
</lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.Industry}<
/lightning:layoutItem>
</lightning:layout>
* Mobile: size="12" # Each item takes 12 columns, creating three rows (meets requirement).
* Tablets: mediumDeviceSize="6" # Total columns = 6 + 6 + 6 = 18. First two items fit in one row (6 + 6 = 12), third item wraps to a second row (6), resulting in two rows (fails tablet single-row requirement).
* Desktops: largeDeviceSize="4" # Total columns = 4 + 4 + 4 = 12, all fit in one row (meets desktop requirement).
* Interpretation Adjustment: The requirement specifies "desktops and tablets" together, but the SLDS grid treats them separately (mediumDeviceSize for tablets, largeDeviceSize for desktops). Option D is the only one that sets largeDeviceSize="4", ensuring a single row on desktops. For tablets, it results in two rows, which contradicts the requirement if tablets must also be in a single row. However, if we prioritize desktops (as the most specific match for largeDeviceSize), option D is the closest fit.
"
Why Option D is Correct (with Assumption):
Option D is the best match if we assume multipleRows="true" is a typo in the question:
* Without multipleRows="true", option D becomes:
<lightning:layout>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.Name}<
/lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.AccountNumber}
</lightning:layoutItem>
<lightning:layoutItem size="12" mediumDeviceSize="6" largeDeviceSize="4">{!v.account.Industry}<
/lightning:layoutItem>
</lightning:layout>
* It meets the mobile requirement (size="12", three rows).
* It meets the desktop requirement (largeDeviceSize="4", total 12 columns, one row).
* For tablets, it results in two rows (mediumDeviceSize="6", total 18 columns), which may not strictly meet the requirement, but the question's focus on "desktops and tablets" might prioritize desktops, where it succeeds.
* The other options either fail to set largeDeviceSize correctly (A, C) or have inconsistent attributes (B).
Handling Typos:
* The provided code has typos:
* <flighting:layoutitem> # <lightning:layoutItem>.
* <lighting:layoutitem> # <lightning:layoutItem>.
* Extra space in 3ize # size.
* These are corrected in the analysis to match the intended component names.
* The presence of multipleRows="true" in all options contradicts the desktop/tablet requirement. We assume this is a mistake in the question, as no option would meet the requirement otherwise. Removing multipleRows="true" makes option D the closest match.
References:
Salesforce Lightning Component Reference:
"lightning:layout" section: Explains multipleRows and its impact on row wrapping.
"lightning:layoutItem" section: Details size, mediumDeviceSize, and largeDeviceSize attributes for responsive design.(Available at: https://developer.salesforce.com/docs/component-library/bundle/lightning:
layout)
Salesforce Lightning Design System:
"Grid System" section: Describes the 12-column grid and responsive breakpoints.(Available at: https://www.
lightningdesignsystem.com/utilities/grid/)
Platform Developer I Study Guide:
Section on "User Interface": Covers building responsive layouts with Lightning components.(Available at:
https://trailhead.salesforce.com/en/content/learn/modules/platform-developer-i-certification-study-guide)
NEW QUESTION # 176
......
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